This is a list of fish found in and around Great Britain, in both fresh water (lakes, rivers, streams and man-made pools) and salt water. This list includes species that are native to Great Britain, as well as those which have been introduced from other countries.
Agnatha - jawless fish
Myxini - hagfish
Myxinidae - hagfish Atlantic hagfish, Myxine glutinosa White-headed hagfish, Myxine ios
Petromyzontiformes - lampreys
Petromyzontidae - northern lampreys River lamprey, Lampetra fluviatilis Brook lamprey, Lampetra planeri Sea lamprey, Petromyzon marinus
Chondrichthyes - cartilaginous fish
Chimaeriformes - ratfish
Chimaeridae - short-nosed chimaeras Ratfish, Chimaera monstrosa Opal chimaera, Chimaera opalescens Smalleyed rabbitfish, Hydrolagus affinis Large-eyed rabbitfish, Hydrolagus mirabilis
Rhinochimaeridae - long-nosed chimaeras Narrownose chimaera, Harriotta raleighana Broadnose chimaera, Rhinochimaera atlantica
Hexanchiformes - cow sharks and frilled sharks
Chlamydoselachidae - frilled sharks Frilled shark, Chlamydoselachus anguineus
Hexanchidae - cow sharks Sharpnose sevengill shark, Heptranchias perlo Bluntnose sixgill shark, Hexanchus griseus
Squaliformes - dogfish sharks
Squalidae - true dogfish Spurdog, Squalus acanthias
Echinorhinidae - bramble sharks Bramble shark, Echinorhinus brucus
Dalatiidae - kitefin sharks Kitefin shark, Dalatias licha
Centrophoridae - gulper sharks Leafscale gulper shark, Centrophorus squamosus Birdbeak dogfish, Deania calcia
Etmopteridae - lantern sharks Black dogfish, Centroscyllium fabricii Great lanternshark, Etmopterus princeps Velvet belly lanternshark, Etmopterus spinax
Oxynotidae - rough sharks Angular roughshark, Oxynotus centrina Sailfin roughshark, Oxynotus paradoxus
Somniosidae - sleeper sharks Portuguese dogfish, Centroscymnus coelolepis Longnose velvet dogfish, Centroselachus crepidater Smallmouth velvet dogfish, Scymnodon obscurus Knifetooth dogfish, Scymnodon ringens Greenland shark, Somniosus microcephalus Velvet dogfish, Zameus squamulosus
Lamniformes - mackerel sharks
Cetorhinidae - basking sharks Basking shark, Cetorhinus maximus
Lamnidae - mackerel sharks Great white shark, Carcharodon carcharias Shortfin mako shark, Isurus oxyrinchus Porbeagle, Lamna nasus
Alopiidae - thresher sharks Thresher shark, Alopias vulpinus
Carchariniformes - ground sharks
Scyliorhinidae - catsharks Iceland catshark, Apristurus laurussonii Ghost catshark, Apristurus manis Black roughscale catshark, Apristurus melanoasper Blackmouth catshark, Galeus melastomus Lesser spotted dogfish, Scyliorhinus canicula Greater spotted dogfish, Scyliorhinus stellaris
Carcharhinidae - requiem sharks Copper shark, Carcharinus brachyurus Blue shark, Prionace glauca
Pseudotriakidae - false catsharks False catshark, Pseudotriakis microdon
Sphyrnidae - hammerheads Smooth hammerhead, Sphyrna zygaena
Triakidae - houndsharks Tope, Galeorhinus galeus Starry smooth-hound, Mustelus asterias Common smooth-hound, Mustelus mustelus
Squatiniformes - angel sharks
Squatinidae - angel sharks Angel shark, Squatina squatina
Rajiformes - skates and rays
Rajidae - skates Arctic skate, Amblyraja hyperborea Thorny skate, Amblyraja radiata Spinetail ray, Bathyraja spinicauda Blue skate, Dipturus batis Flapper skate, Dipturus intermedius Norwegian skate, Dipturus nidarosiensis Long-nosed skate, Dipturus oxyrinchus Sandy ray, Leucoraja circularis Shagreen ray, Leucoraja fullonica Cuckoo ray, Leucoraja naevus Blue ray, Neoraja caerulea Blonde ray, Raja brachyura Thornback ray, Raja clavata Smalleyed ray, Raja microocellata Spotted ray, Raja montagui Undulate ray/painted ray, Raja undulata Deepwater ray, Rajella bathyphila Bigelow's ray, Rajella bigelowi Round ray, Rajella fyllae Sailray, Rajella lintea Bottlenose skate, Rostroraja alba
Myliobatiformes - stingrays
Dasyatidae - whiptail stingrays Common stingray, Dasyatis pastinaca Pelagic stingray, Pteroplatytrygon violacea
Myliobatidae - eagle rays Devil fish, Mobula mobular Common eagle ray, Myliobatis aquila
Torpediniformes - electric rays
Torpedinidae - torpedo rays Marbled electric ray, Torpedo marmorata Atlantic torpedo, Torpedo nobiliana
Osteichthyes - bony fish
Acipenseriformes - sturgeon
Acipenseridae - sturgeon Atlantic sturgeon, Acipenser oxyrinchus (extinct in British waters) European sea sturgeon, Acipenser sturio
Anguilliformes - true eels
Anguillidae - freshwater eels European eel, Anguilla anguilla
Muraenidae - morays Mediterranean moray, Muraena helena
Congridae - congers Conger eel, Conger conger
Nettastomatidae - witch eels Whipsnout sorcerer, Venefica proboscidea
Nemichthyidae - snipe eels Avocet snipe eel, Avocettina infans Slender snipe eel, Nemichthys scolopaceus
Synaphobranchidae - cutthroat eels Deepwater arrowtooth eel, Histiobranchus bathybius Robins's cutthroat eel, Ilyophis arx Saldanha's cutthroat eel, Ilyophis blachei Muddy arrowtooth eel, Ilyophis brunneus Kaup's arrowtooth eel, Synaphobranchus kaupii
Notacanthiformes - spiny eels
Halosauridae - halosaurs Abyssal halosaur, Halosauropsis macrochir Johnson's halosaur, Halosaurus johnsonianus
Notacanthidae - spiny eels Shortfin spiny eel, Notacanthus bonaparte Spiny eel, Notacanthus chemnitzii Longnose tapirfish, Polyacanthonotus challengeri Smallmouth spiny eel, Polyacanthonotus rissoanus
Saccopharyngiformes - gulper eels
Saccopharyngidae - gulper eels Gulper eel, Saccopharynx ampullaceus
Eurypharyngidae - pelican eels Pelican eel, Eurypharynx pelecanoides
Clupeiformes - herring
Clupeidae - true herrings Allis shad, Alosa alosa Twaite shad, Alosa fallax Atlantic herring, Clupea harengus European pilchard, Sardina pilchardus Sprat, Sprattus sprattus
Engraulidae - anchovies European anchovy, Engraulis encrasicolus
Cypriniformes - carp and allies
… excerpt ends here. Continue reading the full article.

